וּמִמַּתָּנָ֖ה נַחֲלִיאֵ֑ל וּמִנַּחֲלִיאֵ֖ל בָּמֽוֹת׃
A z Mathany do Nachliel; a z Nachliel do Bamoth.
Rashi on Numbers
וממתנה נחליאל — Understand this as the Targum does: And after it had been given them, it descended into the valley.
Sforno on Numbers
וממתנה נחליאל, in spite of this the waters neither increased nor decreased as a result of their behaving so erratically and having to traverse both depressions in the earth and hilly country.